Shanking-out machine.



PATENTED JAN. 31, 1905.

J. B. HADAWAY. SHANKING-OUT MACHINE.

APPLIOATION FILED APR.11.1903.

3 SKEBTBSHEET 1.

PATENTED JAN. 31. 1905.

J. B. HADAWAY.

SHANKING-OUT MACHINE.

APPLICATION TILED APB..11.1903.

Mtmgmy- 3 SHEETS-SHEET 2.

PATENTED JAN. 31, 1905.

J. B. HADAWAY.

ING-OUT MACHINE.

ATION FILED APR. 11. 1903.

APPL

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IINiTED STATES Patented January 31, 1905.

JOHN B. HAIMUVAY, OF BROOKTON, ASSAOHUSETTS, ASSIGNOR TO UNITED SHOE MACHINERY COMPANY, OF PATERSON, NEIV JERSEY, A CORPORATION OF NEW JERSEY.

SHANKING-OUT MACHINE.

SPECIFICATION forming part of Letters Patent No. 781,628, dated January 31, 1905.

Application filed April 11,

To r/J/ l'IZt/Hlb it may concern:

Be it known that I, J onN B. HADAwAY, a citizen of the United States,residing at Brockton, in the county of Plymouth and State of Massachusetts, have invented certain new and useful Improvements in Shanking-Out Machines; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

The present invention relates to that class of leather-skiving machines which are commonly known as shanking-out machines and which are used in the manufacture of boots and shoes for skiving the lower outer edge of the welt or the upper outer edge of the outsole at the shank portion of the shoe in order to reduce the thickness of the projecting edge of the shank portion of the sole of the completed shoe formed by the welt and outsolc.

Shanking-out machines which have heretot'ore been devised have been adapted to act upon the welt after attachment to the shoe before the outsole is laid thereon or to act upon the outsole either before or after the outsole is laid upon the shoe. So far as I am advised as to the state of the art no shanking-out machine has ever been devised which isadapted to act upon both the welt and the out-sole after the outsole has been laid; and my invention has for one of its objects the production ol such a machine whereby the welt and out sole can be skived at one operation.

Other objects of my invention are to provide a shanking-ont machine of improved construction and operation.

\Vith these objects in view my invention consists in a shaking-out machine provided with means for skiving the lower outer edge of the welt and means for skiving the upper outer edge of the outsole so arranged that both the welt and outsole can be skived at one operation.

My invention also consists in the devices, combinations,and arrangements of parts hereina't'ter described and claimed, the advantages of which will be obvious to those skilled in the art from the following description, certain of which devices. combinations, and arrangements are not limited to a machine adapted to skive both the welt and the outsole, but are also capable of embodiment in other forms of shanking-out machines.

My invention will be readily understood from the drawings accom mnying this application, in which is illustrated a shanking-out machine embodying the several features thereof in their preferred form.

Referring to the drawings,Figure l is a view in side elevation of the machine. Fig. 52 isa view in l'rontelevation. Fig. 3 is a plan view. Fig. 1 is a face view of the support for the outsole removed from the machine. Fig. is a sectional view of a portion of the machine and ot' a shoe in position to be acted upon by the skiving-cuttcrs, illustrating the positions which the various parts of the machine and ot' the shoe assume during the shanking-out operation. Fig. 6 is a face view of a disk which is located between the skiving-cutters. Fig. 7 is an edge view of the cutter t'or skiving the welt. Fig. 8 is a face view of the cutter illustrated ill Fig. 7 looking from the left of the ligure. Fig. 9 is an edge view of the cutter for skiving the outsole, and Fig. 10 is a face view of the cutter illustrated in Fig. l) looking from the left of the ligure.

The machine illustrated in thed rawings comprises two rotary skiving-cutters secured side by side to a rotating shaft in such position as to enable them to enter between the outsole and welt of a shoe. A disk is located between the two cutters and projects radially beyond the same, so as to form a guard for both cutters which determines the amount of material removed from the welt and outsolc.

The machine also comprises two springpressed supports arranged to support the welt and outsole, respectively, and hold them in contact with the skiving-cutters. The support for the welt is arranged to enter the crease between the welt and the upper ot' the shoe and serve as a guide for the shoe during l the shanking-out operation. The projecting edge of the disk which is located between the cutters is provided with a shoulder which is arranged to bear against the stitches of the inseam during the shanking-out operation and prevent the welt-skiving cutter from coming in to contact therewith. This shoulder may be utilized as a guide for guiding the shoe during the shanking-out operation, in addition to the welt-support. When the machine is to be used for operating upon shoes the outsoles of which have been trimmed, it is also provided with a gage arranged to bear against the edge of the outsole, and thereby serve as a means for guiding the shoe during the shanking-out operation either in combination with or independently of the welt-support. To enable the welt and outsole to receive the skiving-cutters between them when the shoe is inserted in the machine, the machine is provided with means under the control of the operator by which the welt-support and solesupport can be separated. Both the weltsupport and the sole-support are mounted so as to move toward and from the skiving-cutters to accommodate welts and soles of different thicknesses and are pressed toward the cutters by means of springs. WVhen welts of the same thickness are to be operated upon, it is unnecessary to have the welt-support pressed yieldingly toward the welt-skiving cutter, and

accordingly the machine illustrated in the drawings is provided with means for locking the welt-support rigidly in position.

Referring now to the drawings, the frame of the machine consists of a head 1, which can be secured upon any suitable support, and an overhanging portion 2, secured to the head. A shaft 3, provided with a driving-pulley 3, is journaled in the head 1 and projects therefrom beneath the overhanging portion 2, any endwise movement of the shaft being prevented by a tapered portion 3 and a collar 3 adjustably secured upon the rear end of the shaft, as is clearlyillustrated in Fig. 1. Upon the projecting front end of the shaft 3 are rigidly secured cutting-disks 4 and 5. These cutters are arranged side by side and are separated by a perforated disk 6, clamped between the cutting-disks and projecting beyond the periphery thereof. The adjacent faces of the cutting-disks 1 and 5 are flat, while the other faces of the disks are beveled from the hubs toward the peripheries of the disks as is clearly shown in Fig. 5. Each cutting-disk is provided with radial slots or notches 7 and with cutting-blades 8, formed by beveling one side of each radial slot or notch, the cutting edges being located upon the beveled faces of the disks. The arrangement of the cuttingdisks 41 and 5 and the disk 6 is such that When entered between the welt and outsole of a shoe the cutting-blades of the disk 5 act to skive the lower outer edge of the welt, and the cutting-blades of the disk 1 act to skive the upper outer edge of the outsole, the depth of the cut on both the welt and the outsole being controlled by the projecting edge of the disk 6, which serves as a guard for both cutting-disks, as is clearly illustrated in Fig. 5. In vorder to prevent the cutting-disks from entering between the welt and the outsole far enough to bring the cutting-blades of the welt-cutting disk 5 into contact with the stitches of the inseam, the projecting edge of the disk 6 is provided with a shoulder 6. This shoulder is arranged to bear against the stitches of the inseam and prevents the cutting edges of the welt-cutting disk from being brought into contact therewith regardless of the manner in which the shoe is manipulated. In addition to forming a guard for the welt-skiving cutter this shoulder may also serve as a means for guiding the shoe during the skiving operation.

The welt and outsole of the shoe being operated upon are held against the cutting-disks 1 and 5 during the skiving operation by means of a welt-support 9 and a sole-support 10. The welt-support and the sole-support are secured, respectively, to heads 1 1 and 12, mounted so as to be capable of moving toward and from each other upon horizontal guide-rods 13 and 1 1, secured in lugs projecting downwardly from the overhanging portion 2 of the machineframe. The heads 11 and 12 are pressed toward each other by means of springs 15 and 16, coiled around the guide-rod 13 and interposed between the lugs projecting from the overhanging portion 2 of the machineframe and the heads. These springs hold the supports 9 and 10 yieldingly in contact with the welt and outsole of the shoe being operated upon and allow the supports to move toward and from the cutting-disks to accommodate welts and soles of different thicknesses. The movement of the heads 11 and 12 under the force of the springs 15 and 16 is limited by means of stops consisting of the blocks 17 and 18, adj ustabl y secured to the guide-rods 13 and 14, respectively. The head 11 is provided with a set-screw 19, by means of which the head and the welt-support 9, carried thereby, can be rigidly secured in position, if desired, when a number of shoes provided with welts of the same thickness are'to be operated upon.

In order to allow the cutting-disks to enter between the welt and outsole of a shoe when the shoe is placed in position in the machine, a plunger 20, provided with a wedge-shaped lower end, is pivotally mounted upon the forward end of a lever 21 and is arranged to engage and separate the blocks 11 and 12 and the supports 9 and 10 when the lever 21 is actuated to depress the plunger. The rear end of the lever 21 is connected, by means of a rod 22, to a treadle, by which it can be actuated by the operator to depress the plunger.

IOO

The welt-support 9 and the shoe-support 1O a rotary cutter arranged to skive the lower are secured to the heads 11 and 12 by means of bolts 2?) and 2t passing through slots in the beads, by which means the supports can be adjusted vertically to bring them into the desired positions to support the sole and welt.

in order to allow the sole-support to be located in proper position with relation to the cutting-disk it is provided with a slot through which the shaft 3 passes, this construction also allowing a portion of the solesupport to be located upon each side of the shaft, so that the sole is supported on both sides of the shaft and is firmly held against the cutting-disk. As shown in the drawings, the welt-suppo rt 9 is shaped to enter the crease between the upper and the welt of a shoe, so as to serve as a guide for the shoe during the sl iving operation. \Yhen shoes are to be operated upon the soles of which have been trimmed, an edge gage may be provided arranged to engage the edge of the outsole and serve as means independent of or additional to the welt-support for guiding the shoe. Such an edge gage is indicated at in the drawings and. as shown, consists of a disk rolatably mounted upon the shaft 3 beside the cutting-disk &.

The operation of the various parts illustrated in the drawings has been sufficiently indicated in the preceding description of their construction and arrangement to be readily understood by those skilled in the art without a separate description thereof.

Having thus described my invention, Iclaim as new and desire to secure by Letters Patent- 1. A shanlting-out machine, having, in combination, a welt-support, a solesupport and two sl iving-cutters located between the suports arranged to act upon the lower outer edge of the welt and upon the upper outer edge of the sole, respectively, substantially as described.

2. A shrinking-out machine, having, in combination, means for skiving the lower outer edge of the welt and means for skiving the upper outer edge of the sole, substantially as described.

3. A shanking-out machine, having, in combination, a rotary shaft and two cutters mounted thereon side by side arranged to enter between the welt and outsole of a shoe and to sltive the lower outer edge of the welt and the upper outer edge of the sole, respectively, substantially as described.

i. A shanlcingout machine, having, in combination, a welt-support arranged to enter the crease between the upper and welt of a shoe and a rotary cutter arranged to SllVO the lower outer edge of the welt, substantially as described.

A shanking-out machine, having, in combination. a welt-support arranged to enter the crease between the upper and welt of a shoe,

outer edge of the welt and a guard for preventing the cutter from cutting the stitches of the inseam, substantially as described.

6. A shrinking-out machine, having, in combination, a welt-support arranged to enter the crease between the upper and welt of a shoe, a rotary cutter arranged to Sl l\6 the lower outer edge of the welt, and a guard surrounding the cutter provided with a shoulder to bear against the stitches of the inseam and hold the cutter out of contact therewith, substantially as described. g

T. A shanlting-out machine, having, in combination, a welt-support, a sole-support, a skiving-cutter located between said supports, and means for separating said supports to al low the cutter to enter between the welt and outsole of a shoe, substantially as described.

8. A shanking-outmachine, having, in combination, a welt-support, a sole-support, a skiving-cutter located between said supports, and means for yieldingly pressing the supports toward the cutter, substantially as described.

9. A shanlcing-out machine, having, in combination, a welt-support arranged to enter the crease between the upper and welt of a shoe, a skiving-cutter arranged to act upon the lower outer edge of the welt, and a spring for pressing the support toward the cutter, substantially as described.

10. A shanking-out machine, having, in combination, a welt-support, a sole-support, two sltiving-cuttcrs located between said supports and arranged to act upon the lower outer edge of the welt and upon the upper outer edge of the sole, respectively, a spring for pressing the sole-support toward the cutters, and means for locking the weltsupport in fixed position, substantially as described.

11. A shanking-out machine, having, in combination, two rotary sltiving-cutters arranged to enter between the welt and outsole of a shoe and to skive the lower outer edge of the welt and the upper outer edge of the sole, respectively, and a disk located between said cutters forming a guard for both cutters. substantially as described.

12. A shanking-out machine, having, in combination, a welt-support arranged to enter the crease between the upper and welt of a shoe, an edge guide arranged to engage the edge of the outsole and a sltiving-cutter arranged to enter between the welt and outsole, substantially as described.

13. A shankingout machine, having, in combination, a rotary cutter arranged to enter between the welt and outsolc of a shoe, a guide arranged to enter the crease between the upper and welt and a guide arranged to bear against the inseam below the welt, substantially as described.

1" A shanking-out machine, having, in

combination, a cutter arranged to enter bearranged to support the sole upon both sides IO tween the Welt and outsole of a shoe, a guide of the shaft, substantially as described. arranged to bear against the inseam below the i In testimony whereof I aifix my signature in Welt and a guide arranged to bear against the presence of two Witnesses.

5 edge of the outsole, substantial 1y as described. JOHN B HADAVAY' 10. A shanklng-out machine, having, in combination, a rotary shaft, a skiving-eutter secured thereto arranged to enter between the Welt and outsole of a shoe, and a sole-support Witnesses:

FRED O. FIsH, ALFRED H. HILDRETH. 

